. Research scientists in a labora tory. One upper right is using a centrifuge. A solutions pH is being measured at upper centre and a light microscope is in use at lower centre. MODEL RELEASED Editorial Stock Photo - Afloimages
. Research scientists in a labora- tory. One (upper right) is using a centrifuge. A solution's pH is being measured at upper centre and a light microscope is in use at lower centre. MODEL RELEASED